MakeSpinSystem[name,freqs,jcoup]

makes a spin system for jcoupling simulations. The with name is defined by the freqs of the nuclei and the jcoup values {{n1, nx}, j} between nuclei.

MakeSpinSystem[{name,labs},freqs,jcoup]

same but each nuclei has a specific name, e.g.{"ATP", {"γ","α","β"}.

MakeSpinSystem[name,freqs,jcoup,scales]

same but each nuclei has a scale, default scales are 1.

MakeSpinSystem[{name,labs},freqs,jcoup,scales]

same as alle before.